Home / 131,632.92-196,990.02-107,663.40

Finding the Fourth Proportional to 131,632.92, 196,990.02 and 107,663.40

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Solution

The fourth proportional to 131,632.92, 196,990.02 and 107,663.40 is: 161,119.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,632.92 : 196,990.02 = 107,663.40 : x
  2. Step 2: Convert to fraction form
    131,632.92/196,990.02 = 107,663.40/x
  3. Step 3: Cross multiply
    131,632.92x = 196,990.02 × 107,663.40
  4. Step 4: Simplify right side
    131,632.92x = 21,208,615,319.27
  5. Step 5: Solve for x
    x = 21,208,615,319.27/131,632.92
  6. Step 6: Final answer
    x = 161,119.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.